<template>
    <el-menu class="navbar" mode="horizontal">
        <div style="float:left;">
            <div class="sidebar-logo">
                <img src="../assets/logo.png">
            </div>
            <div class="sidebar-logo-mini">
                <img src="../assets/minilogo.png">
            </div>
        </div>
        <hamburger class="hamburger-container" :toggleClick="toggleSideBar" :isActive="sidebar.opened"></hamburger>
        <breadcrumb class="breadcrumb-container"></breadcrumb>
        <div class="right-menu">
            <!-- 站内搜索 -->
            <div class="item">
                <el-tooltip effect="dark" :content="$t('navbar.search')" placement="bottom">
                    <el-button icon="el-icon-search" type="text" class="btnSearch" @click="handleBtnSearch"></el-button>
                </el-tooltip>
                <transition name="el-fade-in-linear">
                    <el-autocomplete ref="searchInput" v-model="searchVal" :fetch-suggestions="querySearchAsync" @select="handleSelect" @blur="showSearchInput=false" placeholder="站内搜索" :trigger-on-focus="true" v-show="showSearchInput"></el-autocomplete>
                </transition>
            </div>
            <!-- 全屏 -->
            <el-tooltip effect="dark" :content="$t('navbar.screenfull')" placement="bottom">
                <screenfull class="item"></screenfull>
            </el-tooltip>
            <!-- <el-tooltip effect="dark" :content="$t('navbar.theme')" placement="bottom">
                <theme-picker class="item"></theme-picker>
            </el-tooltip> -->
            <!--用户信息-->
            <el-dropdown class="item">
                <span class="el-dropdown-link">
                    {{name}}
                    <i class="el-icon-arrow-down el-icon--right"></i>
                </span>
                <el-dropdown-menu slot="dropdown">
                    <router-link to="/">
                        <el-dropdown-item>{{$t('navbar.dashboard')}}</el-dropdown-item>
                    </router-link>
                    <el-dropdown-item divided>
                        <span @click="logout" style="display:block;">{{$t('navbar.logOut')}}</span>
                    </el-dropdown-item>
                </el-dropdown-menu>
            </el-dropdown> 
        </div>
    </el-menu>
</template>
<script>
import {mapGetters} from 'vuex'
import Breadcrumb from '@/components/Breadcrumb'
import Hamburger from '@/components/Hamburger'
import Screenfull from '@/components/Screenfull'
import ThemePicker from '@/components/ThemePicker'
import {search} from '@/api/base/menus'
export default {
    name: 'layoutNavBar',
    components: {
        Breadcrumb,
        Hamburger,
        Screenfull,
        ThemePicker
    },
    computed:{
        ...mapGetters(['sidebar','name','avatar'])
    },
    data(){
        return{
            searchVal:'',
            timeout:null,
            showSearchInput:false,
            restaurants:[]
        }
    },
    methods:{
        toggleSideBar(){
            this.$store.dispatch('toggleSideBar')
        },
        logout(){
            this.$store.dispatch('LogOut').then(()=>{
                location.reload()
            })
        },
        handleBtnSearch(){
            this.showSearchInput = !this.showSearchInput
            this.$nextTick(()=>{
                this.$refs.searchInput.focus()
            })
        },
        querySearchAsync(queryString,cb){
            var restaurants = this.restaurants
            var results = queryString?restaurants.filter(this.createStateFilter(queryString)):restaurants
            clearTimeout(this.timeout)
            this.timeout = setTimeout(()=>{
                cb(results)
            },1000*Math.random())
        },
        createStateFilter(queryString){
            return state =>{
                return(state.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0)
            }
        },
        handleSelect(item){
            this.searchVal = ''
            this.showSearchInput = false
            console.log(item)
            this.$message({
                message:`选取了 ${item.value}`,
                type:'success'
            })
        },
        mounted(){
            this.restaurants = search()
        }
    }
}
</script>
<style rel="stylesheet/scss" lang="scss">
.navbar .item .el-input__inner {
  border: 0px;
  border-bottom: 1px solid #dcdfe6;
  border-radius: 0px;
}
.Homelogo {
  background: #1493fa;
  height: 56px;
  padding: 15px 0 0;
  text-align: center;
  span {
    background: url(../assets/logo.png) no-repeat 50%;
    display: block;
    height: 28px;
  }
}
</style>
<style rel="stylesheet/scss" lang="scss" scoped>
.navbar {
  position: fixed;
  z-index: 999;
  width: 100%;
  height: 70px;
  line-height: 70px;
  border-radius: 0px !important;
  background: linear-gradient(to right, #1493fa, #01c6fa);
  .hamburger-container {
    line-height: 70px;
    height: 70px;
    float: left;
    padding: 0 10px;
  }
  .breadcrumb-container {
    float: left;
  }
  .errLog-container {
    display: inline-block;
    vertical-align: top;
  }
  .right-menu {
    // float: right;
    position: absolute;
    right: 0px;
    height: 50px;
    .item {
      display: inline-block;
      color: #fff;
      margin-right: 10px;
      i {
        font-size: 18px;
      }
      .btnSearch {
        margin-right: 5px;
        font-size: 18px;
        color: #fff;
      }
      .avatar {
        width: 22px;
        vertical-align: -5px;
      }
    }
  }
}
</style>